/* V-Commerce - Part 3: Layout, Forms, Footer, Responsive */

/* Shop Layout */
.shop-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 24px;
    align-items: start;
}

.shop-sidebar {
    position: sticky;
    top: 80px;
}

.filter-group {
    margin-bottom: 24px;
}

.filter-group h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--gray-200);
}

.filter-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 0.875rem;
    color: var(--dark-600);
    cursor: pointer;
}

.filter-group label:hover {
    color: var(--primary);
}

.filter-group input[type="checkbox"] {
    accent-color: var(--primary);
    width: 16px;
    height: 16px;
}

.price-range {
    display: flex;
    gap: 8px;
    align-items: center;
}

.price-range input {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    outline: none;
}

.shop-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}

.shop-toolbar select {
    padding: 6px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    outline: none;
}

.result-count {
    font-size: 0.875rem;
    color: var(--gray);
}

/* Cart */
.cart-table {
    width: 100%;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.cart-table thead {
    background: var(--gray-50);
}

.cart-table th {
    padding: 14px 16px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark-500);
    text-align: left;
}

.cart-table td {
    padding: 16px;
    vertical-align: middle;
    border-top: 1px solid var(--gray-200);
}

.cart-product {
    display: flex;
    align-items: center;
    gap: 16px;
}

.cart-product img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: var(--gray-50);
    padding: 4px;
}

.cart-product-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.cart-product-info span {
    font-size: 0.75rem;
    color: var(--gray);
}

.cart-summary {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--gray-200);
}

.cart-summary h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 0.875rem;
    color: var(--dark-600);
}

.cart-summary-row.total {
    border-top: 2px solid var(--gray-200);
    margin-top: 8px;
    padding-top: 16px;
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--dark);
}

.cart-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
    align-items: start;
}

/* Alerts */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    font-weight: 500;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 18px;
    color: inherit;
    opacity: 0.6;
    cursor: pointer;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark-600);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.875rem;
    transition: var(--transition-fast);
    background: var(--white);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Auth */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--gray-50), var(--primary-light));
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
}

.auth-card .logo {
    justify-content: center;
    margin-bottom: 8px;
    font-size: 1.5rem;
}

.auth-card h2 {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: 24px;
    color: var(--dark);
}

/* Footer */
.site-footer {
    background: var(--dark);
    color: var(--gray-light);
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px 40px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--primary);
}

.footer-col p {
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--gray-light);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-col ul li a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-col .contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.875rem;
}

.footer-col .contact-item i {
    color: var(--primary);
    width: 16px;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-light);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    text-align: center;
    font-size: 0.75rem;
    color: var(--gray);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 32px;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius);
    background: var(--white);
    color: var(--dark-600);
    font-weight: 600;
    font-size: 0.875rem;
    border: 1px solid var(--gray-200);
    text-decoration: none;
}

.page-link:hover,
.page-link.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 0;
    font-size: 0.875rem;
    color: var(--gray);
}

.breadcrumb a {
    color: var(--gray);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb .separator {
    font-size: 10px;
    color: var(--gray-light);
}

.breadcrumb .current {
    color: var(--dark);
    font-weight: 500;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--white);
    border-radius: var(--radius);
    padding: 14px 20px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    min-width: 300px;
    animation: toastIn 0.3s ease-out;
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left-color: var(--danger);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(100%)
    }

    to {
        opacity: 1;
        transform: translateX(0)
    }
}

/* Promo Banner */
.promo-banner {
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    border-radius: var(--radius-xl);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--white);
    margin: 40px 0;
}

.promo-banner h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.promo-banner p {
    opacity: 0.85;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 48px;
    color: var(--gray-200);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--dark-600);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--gray);
    margin-bottom: 20px;
}

/* Checkout */
.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 24px;
    align-items: start;
}

.checkout-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--gray-200);
    margin-bottom: 20px;
}

.checkout-section h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkout-section h3 i {
    color: var(--primary);
}

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.payment-method {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition-fast);
}

.payment-method:hover,
.payment-method.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.payment-method input[type="radio"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
}

/* Client Panel */
.client-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 24px;
    padding: 32px 0;
}

.client-sidebar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--gray-200);
    position: sticky;
    top: 80px;
}

.client-user-info {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-200);
}

.client-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-size: 24px;
    color: var(--primary);
    font-weight: 700;
}

.client-user-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
}

.client-user-info p {
    font-size: 0.75rem;
    color: var(--gray);
}

.client-nav li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--dark-600);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition-fast);
    text-decoration: none;
}

.client-nav li a:hover,
.client-nav li a.active {
    background: var(--primary-light);
    color: var(--primary);
}

.client-nav li a i {
    width: 18px;
    text-align: center;
}

.client-content {
    min-height: 400px;
}

.client-content .card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--gray-200);
    margin-bottom: 20px;
}

.client-content .card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px;
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-icon.blue {
    background: #dbeafe;
    color: #2563eb;
}

.stat-icon.green {
    background: #d1fae5;
    color: #059669;
}

.stat-icon.orange {
    background: #ffedd5;
    color: #ea580c;
}

.stat-icon.purple {
    background: #ede9fe;
    color: #7c3aed;
}

.stat-icon.red {
    background: #fee2e2;
    color: #dc2626;
}

.stat-info h4 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
}

.stat-info span {
    font-size: 0.75rem;
    color: var(--gray);
    font-weight: 500;
}

/* Data Table */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

.data-table thead {
    background: var(--gray-50);
}

.data-table th {
    padding: 12px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--dark-500);
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.data-table td {
    padding: 12px 16px;
    font-size: 0.875rem;
    border-top: 1px solid var(--gray-200);
    vertical-align: middle;
}

.data-table tr:hover td {
    background: var(--gray-50);
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
}

.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.status-processing {
    background: #dbeafe;
    color: #1e40af;
}

.status-shipped {
    background: #e0e7ff;
    color: #3730a3;
}

.status-delivered {
    background: #d1fae5;
    color: #065f46;
}

.status-cancelled {
    background: #fee2e2;
    color: #991b1b;
}

.status-active {
    background: #d1fae5;
    color: #065f46;
}

.status-inactive {
    background: #fee2e2;
    color: #991b1b;
}

/* Modal */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal-backdrop.active {
    display: flex;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    width: 95%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95)
    }

    to {
        opacity: 1;
        transform: scale(1)
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 700;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    font-size: 16px;
    color: var(--dark-600);
    cursor: pointer;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

/* Responsive */
@media (max-width:1024px) {

    .shop-layout,
    .checkout-layout,
    .cart-layout,
    .client-layout {
        grid-template-columns: 1fr;
    }

    .shop-sidebar,
    .client-sidebar {
        position: static;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .product-detail {
        grid-template-columns: 1fr;
    }
}

@media (max-width:768px) {
    .top-bar {
        display: none;
    }

    .header-inner {
        flex-wrap: wrap;
        gap: 12px;
    }

    .search-bar {
        order: 3;
        max-width: 100%;
        flex-basis: 100%;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        z-index: 100;
        padding: 8px 0;
    }

    .nav-list.active {
        display: flex;
    }

    .nav-list li a {
        padding: 12px 20px;
        border-bottom: none;
    }

    .cat-dropdown {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        background: var(--gray-50);
    }

    .hero-slide {
        padding: 40px 0;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .promo-banner {
        flex-direction: column;
        text-align: center;
        gap: 16px;
        padding: 24px;
    }

    .section {
        padding: 32px 0;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .detail-features {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .header-action span {
        display: none;
    }
}